UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025113012.upa.cvt Date: 1200Z 30 NOV 25 Searching for U4688... Searching the city database file for: U4688 ... Date:1200Z 30 NOV 25 Station: U4688 WMO ident: 24688 Latitude: 63.27 Longitude: 143.15 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 274 SFC 937 736 -32.7 -35.3 78 2.6 -32.9 60 1 245.0 245.0 244.6 245.5 0.20 2 925 828 -32.1 -35.8 70 3.7 -32.3 85 1 246.5 246.5 245.9 247.0 0.19 3 914 912 -30.7 -34.4 70 3.7 -30.9 97 2 248.8 248.8 248.1 249.4 0.23 4 850 1436 -20.1 -23.4 75 3.3 -20.6 170 9 265.1 265.2 262.5 267.0 0.68 5 808 1818 -13.5 -16.5 78 3.0 -14.2 177 10 276.0 276.2 270.9 279.7 1.30 6 700 2897 -21.7 -24.6 77 2.9 -22.2 195 13 278.5 278.6 271.5 280.7 0.74 7 609 3904 -28.7 -32.5 70 3.8 -29.1 203 20 281.7 281.8 272.9 283.0 0.41 8 523 4978 -34.1 -38.0 68 3.9 -34.4 212 27 287.7 287.8 276.0 288.6 0.28 9 500 5290 -36.7 -40.4 68 3.7 -37.0 215 29 288.3 288.3 276.2 289.0 0.23 10 421 6460 -44.1 -47.8 67 3.7 -44.2 207 39 293.3 293.4 278.5 293.8 0.12 11 400 6800 -47.1 -50.8 66 3.7 -47.2 205 42 293.8 293.8 278.7 294.1 0.09 12 323 8178 -57.4 -61.2 61 3.8 -57.4 205 66 298.1 298.1 280.6 298.2 0.03 13 300 8640 -60.9 -64.8 60 3.9 -60.9 210 64 299.5 299.5 281.1 299.6 0.02 14 286 8939 -63.5 -67.8 56 4.3 -63.6 207 61 299.9 299.9 281.3 300.0 0.01 15 250 9770 -65.9 -69.9 57 4.0 -65.9 200 52 308.1 308.1 284.6 308.1 0.01 16 248 9819 -66.1 -70.0 58 3.9 -66.1 200 52 308.5 308.5 284.8 308.6 0.01 17 200 11130 -62.5 -66.8 56 4.3 -62.6 200 42 333.8 333.8 292.7 333.9 0.02 18 178 11852 -60.7 -64.8 58 4.1 -60.7 200 38 348.0 348.1 296.3 348.2 0.04 19 150 12920 -59.3 -64.0 54 4.7 -59.4 200 33 367.9 367.9 300.2 368.1 0.05 20 101 15388 -57.7 -63.7 46 6.0 -57.9 185 35 415.1 415.1 307.2 415.4 0.07 21 100 15450 -57.5 -63.5 46 6.0 -57.7 185 35 416.6 416.6 307.4 417.0 0.07 22 70 17700 -58.1 -65.1 40 7.0 -58.4 180 42 460.1 460.1 311.8 460.6 0.09 23 62 18466 -58.1 -66.1 35 8.0 -58.5 178 39 476.3 476.4 313.2 476.8 0.09 24 51 19713 -53.3 -62.3 33 9.0 -54.1 175 35 514.9 515.0 316.1 516.0 0.17 25 50 19840 -54.3 -63.3 32 9.0 -55.1 175 35 515.5 515.6 316.1 516.5 0.15 26 43 20800 -57.9 -67.9 27 10.0 -58.5 175 45 529.4 529.4 316.9 530.0 0.10 27 38 21584 -56.3 -66.3 27 10.0 -57.1 175 53 552.5 552.6 318.3 553.4 0.13 28 37 21753 -55.9 -65.9 28 10.0 -56.8 175 54 557.8 557.8 318.6 558.8 0.15 29 37 21753 -52.3 -63.3 25 11.0 -53.6 175 54 567.0 567.1 319.1 568.5 0.21 30 32 22699 -49.9 -61.9 23 12.0 -51.8 175 64 597.5 597.6 320.6 599.6 0.29 31 32 22699 -49.9 -61.9 23 12.0 -51.8 175 64 597.5 597.6 320.6 599.6 0.29 32 30 23120 -50.9 -64.9 17 14.0 -52.8 175 68 605.9 606.0 320.9 607.4 0.21 33 24 24581 -47.1 -62.1 16 15.0 -50.3 172 76 656.8 657.0 323.0 659.9 0.37 34 22 25152 -49.5 -64.5 16 15.0 -52.4 171 79 666.2 666.4 323.4 668.7 0.30 35 20 25780 -45.9 -62.9 13 17.0 -50.0 170 83 695.7 695.9 324.4 699.2 0.41 36 14 28191 -41.1 -61.1 10 20.0 -48.3 178 76 786.7 787.0 327.1 793.8 0.73 37 13 28699 -38.5 -59.5 9 21.0 -47.1 179 74 812.5 813.0 327.8 822.3 0.97 38 13 28699 -35.9 -58.9 8 23.0 -46.0 179 74 821.5 822.0 328.0 832.2 1.04 39 12 29258 -34.9 -58.9 7 24.0 -45.9 181 73 844.1 844.7 328.5 856.0 1.13 40 10 30520 -40.3 -66.3 5 26.0 -49.8 185 69 869.1 869.4 328.9 874.7 0.51 41 9.1 31165 -38.7 -66.7 4 28.0 -49.6 899.0 899.3 329.5 905.0 0.53 TRP 248 9819 -66.1 -70.0 58 3.9 -66.1 200 52 308.5 308.5 284.8 308.6 0.01 WND 323 8178 -57.4 -61.2 61 3.8 -57.4 205 66 298.1 298.1 280.6 298.2 0.03 Sounding variables and indices 1000-500 mb thick: 5016.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 72.97 % Est. max temperature: -1.80 C = 28.76 F Sfc-Lift cond lev (LCL): 896.36 mb = 1052.80 m = 3454.02 ft T: -27.85 C 700-500 lapse rate: 6.27 C/km Conv cond level (CCL): 937.00 mb = 736.34 m = 2415.78 ft Mean mixing ratio: 0.44 g/kg Conv temperature: -27.15 C = -16.86 F Cap Strength: 25.41 C Lifted Index: 25.51 C Risk: None Lifted Index @300 mb: 29.96 C Lifted Index @700 mb: 19.56 C Showalter Index: 17.60 C Risk: None Total Totals Index: 29.90 C Risk: None Vertical Totals Index: 16.60 C Cross Totals Index: 13.30 C K Index: -9.70 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 4.74 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 69.99 J/kg Max Up Vert Vel: 11.83 m/s Conv Inhibition (B-): 66694.07 J/kg Cap Strength: 25.47 C Lift Cond Lev (LCL): 858.40 mb = 1365.00 m = 4478.30 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 235 at 15 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 937 736 60 1 -0.9 -0.5 | 55 16 -13.4 -9.2 1 925 828 85 1 -1.0 -0.1 | 57 16 -13.5 -8.8 2 850 1436 170 9 -1.6 8.9 | 91 14 -14.1 0.1 3 700 2897 195 13 3.4 12.6 | 113 10 -9.2 3.8 4 500 5290 215 29 16.6 23.8 | 195 16 4.1 15.0 5 400 6800 205 42 17.7 38.1 | 190 30 5.2 29.3 6 323 8178 205 66 27.9 59.8 | 197 53 15.3 51.1 7 300 8640 210 64 32.0 55.4 | 203 51 19.5 46.7 8 250 9770 200 52 17.8 48.9 | 187 40 5.2 40.1 9 248 9819 200 52 17.8 48.9 | 187 40 5.2 40.1 10 200 11130 200 42 14.4 39.5 | 183 31 1.8 30.7 11 150 12920 200 33 11.3 31.0 | 177 22 -1.3 22.3 12 100 15450 185 35 3.1 34.9 | 160 28 -9.5 26.1 13 70 17700 180 42 0.0 42.0 | 159 36 -12.5 33.3 14 50 19840 175 35 -3.1 34.9 | 149 30 -15.6 26.1 15 30 23120 175 68 -5.9 67.7 | 163 62 -18.5 59.0 16 20 25780 170 83 -14.4 81.7 | 160 78 -27.0 73.0 17 10 30520 185 69 6.0 68.7 | 174 60 -6.5 60.0 Wind Parameters Mean winds (0-6000m): 205.2 at 20.4 knts Storm direction: 235.2 at 15.3 knts Shear (0-3000m) pos: 3.3 neg: 0.0 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 91.4 deg Storm rel helicity (0-3000m) pos: 74.8 neg: 0.0 tot: 74.8 m^2/s^2 ave: 24.9 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 3.5 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 1.36 Bulk Shear: 51.29 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 132 3 66 16| 6.5 0.0 6.5| 29.5 0.0 29.5 59.1 0.94| 7.2 6.7 1000 167 6 78 14| 5.3 0.0 5.3| 47.9 0.0 47.9 47.9 0.87| 6.5 5.7 1500 173 7 84 13| 4.0 0.0 4.0| 53.2 0.0 53.2 35.5 0.86| 5.1 4.3 2000 179 8 89 13| 3.4 0.0 3.4| 58.0 0.0 58.0 29.0 0.84| 4.4 3.7 2500 184 9 94 12| 3.3 0.0 3.3| 65.5 0.0 65.5 26.2 0.85| 4.1 3.5 3000 188 11 99 11| 3.3 0.0 3.3| 74.8 0.0 74.8 24.9 0.87| 4.1 3.5 4000 197 14 116 10| 3.4 0.0 3.4| 95.3 0.0 95.3 23.8 0.88| 4.0 3.5 5000 204 17 139 9| 3.0 0.5 3.5|108.6 -1.3 107.3 21.5 0.78| 4.1 3.2 6000 205 20 158 10| 2.5 1.2 3.7|108.6 -12.7 95.9 16.0 0.59| 4.2 2.5 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251130.12.gif